Analysis

  • max time kernel
    91s
  • max time network
    105s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 09:12

General

  • Target

    suckmydingdong.exe

  • Size

    409KB

  • MD5

    7092d0f0c59f1d5836b3599da2df94ab

  • SHA1

    5c9689e7656ede45420d137d0645fb42a58dc29d

  • SHA256

    cb1212f0371fe9d7379f6ce099ad53ecfdafc8604551409c7a1304d61df2a324

  • SHA512

    ce49bd802a42c747483a3618371f53b4dbddd1816b6e5c9494893165abeb2349635f42dab4d3985ff488a0280cc013328d790c30268525be07ec8c2eafa6c911

  • SSDEEP

    12288:bpsD64e1MGUpRYa/ngOf89HaizaDShseSbQRh:1sG4kMyonpyHaqtcQD

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

rights-varying.gl.at.ply.gg:55443

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    BrJn6UaineGJeS6nx4tw

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    10

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\suckmydingdong.exe
    "C:\Users\Admin\AppData\Local\Temp\suckmydingdong.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3108

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3108-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
    Filesize

    4KB

  • memory/3108-1-0x0000000000320000-0x000000000038C000-memory.dmp
    Filesize

    432KB

  • memory/3108-2-0x00000000054B0000-0x0000000005A56000-memory.dmp
    Filesize

    5.6MB

  • memory/3108-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp
    Filesize

    584KB

  • memory/3108-4-0x0000000074E50000-0x0000000075601000-memory.dmp
    Filesize

    7.7MB

  • memory/3108-5-0x0000000004F00000-0x0000000004F66000-memory.dmp
    Filesize

    408KB

  • memory/3108-6-0x0000000005B60000-0x0000000005B72000-memory.dmp
    Filesize

    72KB

  • memory/3108-7-0x00000000060B0000-0x00000000060EC000-memory.dmp
    Filesize

    240KB

  • memory/3108-9-0x0000000006570000-0x000000000657A000-memory.dmp
    Filesize

    40KB

  • memory/3108-10-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
    Filesize

    4KB

  • memory/3108-11-0x0000000074E50000-0x0000000075601000-memory.dmp
    Filesize

    7.7MB